a="hi"
b="s"
print(a+b)
#
c="hi"
print(c*3)
#
str="abcd"
print(str[0])
print(str[-1])
print(str[0:4])
#
a="abcd"
"e" in a
"h" not in a
#
print("我叫%s"%("岳彬睿"))
print("我今年%d"%(19))
#
list=[1,2,3,[4,5,6]]
print(len(list))
#
list=[1,2,3,4,5]
list.append(100)
list.extend([70,80])
print(list)
##
tup1="a","b","c","d"
tup2="1","2","3","4","5"
tup3="bob","mary","bruce"
print(tup1)
print(tup2)
print(tup3)